on georria avenue. myranda stephens is here with how the incident caae to an end. and more n the gunman's past. myranda? >> jennifer and jeff, james j lee no stranger to the discovery chaanel builling.3 protested there building before. but this time took his anger to a whole new level. >> the intense situution began around 1:00 this afternoon. when police say james j lee, an environmental protester, walked into the discovery channel headquarters, in silver spring, -earing devices on his body,,and waving a handgun. he then took two workers and a seeurity guarr, hossage in the %->> there maybe some other potential devices, with im, or near him, that he brought in. >> most of the 1900 employees were able to et out okay. and the day care center inside ú% the building was evacuated. swat teams and federal bomb technicians surrounded the building. while federal negotiators talked to lee for almost four hoors before finally shooting and killing him. >> as we were negotiating withh3 him, our tactical officers, were able to get in to position, where they were very close to him, at one point,
